Air Tight Opus-1 is a top-of-the-line MC Phono Cartridge that features:

  • Second-to-none, 3-dimensional image made available in soundstage
  • Unprecedented, sublime sonic balance achieved through years-long research seeking for optimum combination ratio in internal impedance and output voltage
  • Exclusive, renowned SH-µX core sealed in ultra-hard duralumin housing fortified by nickel plating

Specifications

Type Ultra Low Impedance
MC phono cartridge
Frequency range 10-50,000Hz
Internal impedance 1.4 ohms (DCR)
Output voltage 0.45mV/1kHz
Magnet Neodymium#50
Tracking force 1.9-2.2g
Dynamic Compliance 8×10-6Cm/Dyne
Cantilever Boron Cantilever
Stylus Tip Type Semi-line contact
(3µmm×30µmm)
Channel balance Less than 0.5dB/1kHz
Cross talk More than 30dB/1kHz
Cartridge base A7075(DLC plating)
Housing A5056(Rhodium plating)
Terminal Rhodium plating
Weight 12.5g
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